Litespeed + Ruby/RoR + cPanel, problems installing Redmine

I am having some problems installing Redmine (as an example of RoR app) in Litespeed (cPanel 11.32/CloudLinux)

We are installing Redmine from a test cPanel account (logged as a normal user for redmine installation steps), the goal is document the process and make a tutorial to teach our clients about how to use Litespeed + Ruby / RoR.

Its a shared hosting server with cPanel, to complete the installation of Redmine 1.4 I used several resources: